9997333840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{310091}}^1$

素因数の和:310148

約数の個数: 80

約数和(自身を含む): 25839346176

約数和(自身を除く): 15842012336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 310091, 620182, 1240364, 1550455, 2480728, 3100910, 4031183, 4961456, 6201820, 8062366, 9612821, 12403640, 16124732, 19225642, 20155915, 24807280, 32249464, 38451284, 40311830, 48064105, 64498928, 76902568, 80623660, 96128210, 124966673, 153805136, 161247320, 192256420, 249933346, 322494640, 384512840, 499866692, 624833365, 769025680, 999733384, 1249666730, 1999466768, 2499333460, 4998666920, 9997333840]

約数ペア:

[(1, 9997333840), (2, 4998666920), (4, 2499333460), (5, 1999466768), (8, 1249666730), (10, 999733384), (13, 769025680), (16, 624833365), (20, 499866692), (26, 384512840), (31, 322494640), (40, 249933346), (52, 192256420), (62, 161247320), (65, 153805136), (80, 124966673), (104, 96128210), (124, 80623660), (130, 76902568), (155, 64498928), (208, 48064105), (248, 40311830), (260, 38451284), (310, 32249464), (403, 24807280), (496, 20155915), (520, 19225642), (620, 16124732), (806, 12403640), (1040, 9612821), (1240, 8062366), (1612, 6201820), (2015, 4961456), (2480, 4031183), (3224, 3100910), (4030, 2480728), (6448, 1550455), (8060, 1240364), (16120, 620182), (32240, 310091)]